Many clad in blue and orange, hundreds of residents from Arlington Heights and other Northwest suburbs came to the John Hersey High School gymnasium Thursday to get their first look at plans for the Chicago Bears’ redevelopment at Arlington Park. They came to meet their potential new neighbors in town: top brass from the NFL’s charter franchise, led by team Chairman George McCaskey and President/CEO Ted Phillips, who reiterated their need for incentives for the development outside the stadium.